Product category:
Materials Testing
News Release from: Thermo Fisher Scientific | Subject: ARL Fire Assay Analyzer
Edited by the Manufacturingtalk Editorial
Team on 11 December 2003
Precious Metals Analysis Spectrometry
Capability
The ARL Fire Assay Analyzer is an optical emission spectrometer that provides fast, reliable analysis of precious metals at trace levels in fire assay lead button.
Thermo Electron Corporation, introduces the ARL Fire Assay Analyzer, an optical emission spectrometer that provides fast, reliable analysis of precious metals at trace levels in fire assay lead buttons Based on the most advanced technologies of Time Resolved Spectroscopy (TRS) and Current Controlled Source (CCS), the instrument satisfies the most demanding analytical needs of the precious metals industry
This article was originally published on Manufacturingtalk on 1 Aug 2008 at 8.00am (UK)
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The result of 70 years experience and research in optical emission spectrometry solutions, the ARL Fire Assay Analyzer provides fast and reliable all-purpose analysis.
Sample preparation is simple and analysis is typically completed within a minute.
Costs, including those associated with cupels, furnaces, chemicals, power consumption and the environment, are considerably reduced.
This new spectrometer achieves typical detection limits ranging from 0.004 ppm for Silver (Ag), Palladium (Pd) and Rhodium (Rh) to 0.18 ppm for Iridium (Ir).
This allows the characterization of the precious metals present at trace levels in the lead button and in the raw original ore sample.
There is no need for cupellation or types of analysis, such as gravimetric analysis, ICP/MS or ICP/OES.
The instrument further benefits from added long-term stability, with no intermediate drift correction observed at the same level as short-term reproducibility over a two-week period.
This makes the spectrometer highly productive and helps minimize costs associated with recalibration samples.
With a complete elemental analysis performed in 24 seconds per run, the ARL Fire Assay Analyzer enables sufficient throughput for the fully automated fire assay process and the fast analysis of arriving samples.
The ARL Fire Assay Analyzer can be automated with the ARL SMS-2000 system to ensure high throughput and reliability of the analyses.
Furthermore, it can be integrated with the Fast Inline Fire Assay (FIFA) system from Innovative Met Products Ltd, South Africa.
This sequential system automatically produces about 60 lead buttons per hour, with a typical turn-around time of 40 minutes or less per assay, from ore grinding to lead button.
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